Just tested my Asus K501UX with linux-image 4.4.0, confirmed that it fixes the touchpad issue. Touchpad detected as Elantech. I am able to scroll with 2 fingers.
$ cat /proc/bus/input/devices ... ... I: Bus=0018 Vendor=0000 Product=0000 Version=0000 N: Name="Elan Touchpad" P: Phys= S: Sysfs=/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-5/i2c-ELAN1000:00/input/input12 U: Uniq= H: Handlers=mouse1 event12 B: PROP=5 B: EV=b B: KEY=e520 10000 0 0 0 0 B: ABS=663800013000003 ** Tags added: kernel-fixed-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1521410 Title: Touchpad not recognized in Ubuntu 14.04 on Asus K501UX-AH71 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1521410/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs